Place the thermostat in hot cooling liquid or water and check that the temperature of opening of the valve of the thermostat corresponds to nominal rate. Replace if necessary (fig. 2.183).

Temperature of the beginning of opening of the valve: 82 °C.

Temperature of complete opening of the valve: 95 °C.

Valve stroke (at complete opening): 8,5 mm.

Installation

Check correctness of landing of a flange of the valve of the thermostat in a nest of the case of the thermostat. If the thermostat is established incorrectly, its lower part will touch an edge in a bringing branch pipe that will lead to violation of operation of the thermostat.